NSN 4820-01-056-9528

Part Details | VALVE SEAT

4820-01-056-9528 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.

Alternate Parts: 185P1016, 4820-01-056-9528, 01-056-9528, 4820010569528, 010569528

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 03, 197801-056-952822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-056-9528
Part Number Cage Code Manufacturer
185P101699565ADMIRAL VALVE, LLCDBA CPV MANUFACTURING
Technical Data | NSN 4820-01-056-9528
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER1.998 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.173 INCHES NOMINAL
BODY INSIDE DIAMETER0.870 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.318 INCHES NOMINAL
UNDER FLANGE HEIGHT0.070 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG20.000 NOMINAL